Note: This update is for the Steam Deck Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.
The Steam Client Beta has been updated with the following changes:
General
Fixed setting the correct AppID in Source SDK mod manager.
Preview Only
Updated the framerate limit slider to include the screen's current refresh rate.
Fixed a case where the framerate limit would not apply to some external displays.
Framerate limit settings are now stored separately for each display.